201728681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8111}}^1$

素因数の和:8165

約数の個数: 32

約数和(自身を含む): 280350720

約数和(自身を除く): 78622039

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 1309, 1463, 2261, 3553, 8111, 24871, 56777, 89221, 137887, 154109, 624547, 965209, 1078763, 1516757, 1695199, 2619853, 10617299, 11866393, 18338971, 28818383, 201728681]

約数ペア:

[(1, 201728681), (7, 28818383), (11, 18338971), (17, 11866393), (19, 10617299), (77, 2619853), (119, 1695199), (133, 1516757), (187, 1078763), (209, 965209), (323, 624547), (1309, 154109), (1463, 137887), (2261, 89221), (3553, 56777), (8111, 24871)]